Philips, J. (2018). PMP Project Management Professional: Study Guide (fifth.). Mc Graw Hill.
Цитирование в стиле Чикаго (17-е изд.)Philips, John. PMP Project Management Professional: Study Guide. fifth. New York: Mc Graw Hill, 2018.
Цитирование MLA (9-е изд.)Philips, John. PMP Project Management Professional: Study Guide. fifth. Mc Graw Hill, 2018.